Red lines represent roads that were surveyed. Roadside counts were conducted where there were fields of grassland cover -- these counts are represented by green triangles. No Henslow's sparrows were detected.
Contact information:
Rolf R. Koford
Iowa Cooperative Fish and Wildlife Research Unit
Science Hall II
Iowa State University
Ames, Iowa 50011
Telephone: (515) 294-3057
This file: http://www.public.iastate.edu/~hesp/clayton.htm
Updated 7 November, 1997